General information |
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| Hypostomus regani (Ihering, 1905) | ||
| Common name | Cascudo-chita | |
| Synonyms |
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| IUCN Red List status (2014) | Not Reported |
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| Habitat | Freshwater |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Loricariidae. |
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| Geographical distribution | Brazil; Argentina; Uruguay |
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| Occurrence | Native: Brazil, Argentina, Uruguay |
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| Importance | Food/ornamental |
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| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Paranapanema River Basin, Southern Brazil. | |
| Source of chromosomes | Kidney tissue. |
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| Number of specimens with sex | - |
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| Diploid chromosome number | 72 |
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| Karyotype formula | 10m+18sm+44st/a |
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| Fundamental arm number | 100 |
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| Chromosome length | - |
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| Sex chromosome | - |
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| Chromosome staining/banding/FISH | Ag-NORs located in terminal position on short arms of 4 st/a chromosome pairs 26 and 27, which was same as observed by 18S rDNA FISH and CMA3-staining. Interstitial CMA3-negative blocks observed in most of st/a chromosomes. C-heterochromatin blocks distributed in interstitial region of most st-a chromosomes and in pericentromeric region of 1 metacentric pair. |
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| Reference(s) |
Rubert M, da Rosa R, Jerep FC, Bertollo LAC, Giuliano-Caetano L. (2011). Cytogenetic characterization of four species of the genus Hypostomus Lacepede, 1803 (Siluriformes, Loricariidae) with comments on its chromosomal diversity. Comp. Cytogen. 5(5): 397–410. |
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